This contrib makes it possible to use the full e-Commerce Analytics possibilities for your OSC Shop.
All credits go to Stefan Kanitz (http://stefankanitz.de)
Support: http://forums.oscommerce.de/index.php?showtopic=80084&st=0&p=380257&#entry380257
I just put it together and translate it:
http://www.blog.ip-profis.de/piwik-ecommerce-tracking-for-oscommerce-osc/